How to sign: a common venereal disease caused by the Treponema pallidum spirochete; symptoms change through progressive stages; can be congenital (transmitted through the placenta)
Categories: Cupid's disease, Cupid's itch, sexually transmitted disease, social disease, VD, venereal disease, Venus's curse
Within this category: neurosyphilis, primary syphilis, secondary syphilis, tertiary syphilis